Photoluminescence properties of Tm3+/Ho3+/Cr3+-co-doped Y3AlGa4O12nano-garnet phosphors for visible-NIR LED applications. BIBECHANA [Internet]. 2024 Oct. 3 [cited 2026 Jul. 7];21(3):213-20. Available from: https://nepjol.info/index.php/BIBECHANA/article/view/62845